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Finding the Fourth Proportional to 63,240.94, 87,292.11 and 39,049.57

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Solution

The fourth proportional to 63,240.94, 87,292.11 and 39,049.57 is: 53,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,240.94 : 87,292.11 = 39,049.57 : x
  2. Step 2: Convert to fraction form
    63,240.94/87,292.11 = 39,049.57/x
  3. Step 3: Cross multiply
    63,240.94x = 87,292.11 × 39,049.57
  4. Step 4: Simplify right side
    63,240.94x = 3,408,719,359.89
  5. Step 5: Solve for x
    x = 3,408,719,359.89/63,240.94
  6. Step 6: Final answer
    x = 53,900.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.